supranational

Refers to the formal transfer of legal authority and decision-making power from member states to an institution or international body. In this context Moravcsik distinguishes between ‘pooled sovereignty’ when governments agree to make future decisions by voting procedures other than unanimity; and ‘delegated sovereignty’ when supranational actors are given the authority to take certain sorts of decisions without either a vote amongst affected governments or the capacity of states to veto the decision. Although often used loosely to describe any set of institutions ‘above the state’, the term refers more properly to a particular characteristic of international institutions and international legal authority. The clearest examples of supranational institutions can be found in the European Union, where the Commission, the European Parliament, and the European Court of Justice, constitute common political structures with supranational authority—in contrast to the Council of Ministers, which is based on intergovernmental modes of decision-making.

Supranational institutions played a key role in neofunctionalist accounts of European integration. Neofunctionalists argued that high and rising levels of interdependence and cross-border exchange would generate increasing demands for the creation of supranational institutions to solve common problems. This, in turn, would catalyse a process of ever expanding collaboration between member states, leading eventually to political integration. More recently, theorists have challenged intergovernmental accounts of European integration both by highlighting the formally supranational components of the European Union but also by challenging the view that member-states have simply delegated certain powers for particular purposes and, as principals, remain in full control of an increasingly complex set of institutions and integration processes.

— Andrew Hurrell

An international organization, or union, whereby member states transcend national boundaries
or interests to share in the decision-making and vote on issues pertaining to the wider grouping.

Investopedia Says:
The European Union and the World Trade Organization are both supranationals. In the EU, each member votes on policy that will affect each member nation. The benefits of this construct for the EU are the synergies derived from social and economic policies along with a stronger presence on the international stage.

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They print money, they control inflation, and much, much more. All you need to know about central banks is here. What Are Central Banks?
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Dansk (Danish)
adj. - overnational, overstatlig

Nederlands (Dutch)
supranationaal

Français (French)
adj. - supranational

Deutsch (German)
adj. - supranational, überstaatlich

Ελληνική (Greek)
n. - υπερεθνικός οργανισμός
adj. - υπερεθνικός

Italiano (Italian)
sovranazionale

Português (Portuguese)
n. - supranacional (m)
adj. - supranacional

Русский (Russian)
наднациональный, надгосударственный, контролирующий несколько государств

Español (Spanish)
adj. - supranacional

Svenska (Swedish)
n. - världsmedborgare
adj. - överstatlig, övernationell

中文（简体）(Chinese (Simplified))
超国家的, 超民族的

中文（繁體）(Chinese (Traditional))
adj. - 超國家的, 超民族的

한국어 (Korean)
adj. - 초국가적인

日本語 (Japanese)
adj. - 超国家の, 超国家的な

العربيه (Arabic)
‏(الاسم) الفوقومي : الشخص أو الشئ المتعدي للحدود القوميه (صفه) فوقومي : متعدي للحدود القوميه‏

עברית (Hebrew)
adj. - ‮על-לאומי‬